EP1845708A1 - Fernsehen-empfangssystem - Google Patents

Fernsehen-empfangssystem Download PDF

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Publication number
EP1845708A1
EP1845708A1 EP06728706A EP06728706A EP1845708A1 EP 1845708 A1 EP1845708 A1 EP 1845708A1 EP 06728706 A EP06728706 A EP 06728706A EP 06728706 A EP06728706 A EP 06728706A EP 1845708 A1 EP1845708 A1 EP 1845708A1
Authority
EP
European Patent Office
Prior art keywords
data
setup
display
wireless
receiving system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP06728706A
Other languages
English (en)
French (fr)
Other versions
EP1845708A4 (de
Inventor
Akira c/o Matsushita El. Ind. Co. Ltd. SASAI
Yoshikatsu c/o Matsushita El. Ind. Co. Ltd. HATTORI
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of EP1845708A1 publication Critical patent/EP1845708A1/de
Publication of EP1845708A4 publication Critical patent/EP1845708A4/de
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/38—Transmitter circuitry for the transmission of television signals according to analogue transmission standards
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/4104—Peripherals receiving signals from specially adapted client devices
    • H04N21/4122—Peripherals receiving signals from specially adapted client devices additional display device, e.g. video projector
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/43615—Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
    • H04N21/43637—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/485—End-user interface for client configuration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/50—Tuning indicators; Automatic tuning control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • H04N21/44227—Monitoring of local network, e.g. connection or bandwidth variations; Detecting new devices in the local network

Definitions

  • the present invention relates to a television receiving system that can receive and utilize broadcast signals such as television broadcasting via wireless transmission.
  • Japanese Patent Unexamined Publication No. 2001-358966 discloses a conventional system that has a tuner and a display disposed separately in which broadcast signals received in the tuner are sent to the display via wireless transmission to show the broadcast signals on the display.
  • the conventional television receiving system has sent the broadcast signals received by a single tuner to a single or a plurality of displays via wireless transmission. Only a single set of configuration parameters has been installed for the wireless transmission, it cannot be said, therefore, that the wireless transmission has always performed in an optimum condition for all displays disposed in different locations. For instance a display located near the tuner can receive broadcast signals correctly, on the other hand the receiving condition in a display located far away from the tuner may be unstable, causing difficulties often in receiving the broadcast signals due to worsened wave conditions or the like.
  • the television receiving system of the present invention includes:
  • the display is provided with a plurality of setup-data including configuration parameters for wireless transmission, so that a user can select a setup-data capable of providing an optimum receiving condition according to the location of the display to send the setup-data to the tuner. This can result in a stable receiving environment no matter where the display is located.
  • FIG. 1 shows an example of disposition of the tuners and display, introduced in a home, of the television receiving system used in preferred embodiment 1 of the present invention.
  • tuners 1a, 1b, 1c, 1d and 1e are disposed respective rooms, totaled five.
  • One display 2 is disposed in the living room. In this case, display 2 communicates by wireless with tuner 1b, located nearest to it, in the living room. A plurality of displays 2 can be available.
  • FIG. 2 shows a block diagram of the television receiving system used in preferred embodiment 1 of the present invention.
  • the television receiving system comprises tuner 1 and display 2 both connected by wireless.
  • Tuner 1 in FIG. 2 corresponds to tuner 1b in FIG. 1.
  • Tuner 1 comprises : first wireless communicator 101, tuning device 102, encoder 103, LED indicator 104, first controller 105 and antenna 109.
  • Antenna 109 receives broadcast signals propagated from outside.
  • Tuning device 102 tunes the broadcast signals received by antenna 109.
  • Encoder 103 encodes the broadcast signals tuned by tuning device 102.
  • First wireless communicator 101 transmits the broadcast signals encoded by encoder 103 as wireless signals.
  • first controller 105 controls tuning conditions of tuning device 102.
  • the tuning conditions differ in the location of tuners 1.
  • First controller 105 controls communication conditions of first wireless communicator 101. The communication conditions are controlled according to setup-data stored in display 1 described later.
  • LED indicator 104 shows a location data stored in the setup-data of tuner 1 by lighting LEDs.
  • Display 2 comprises: second wireless communicator 201, decoder 202, input device 203, setup-data creator 204, second storage 205, second controller 206 and image display 209.
  • Second wireless communicator 201 receives wireless signals from first wireless communicator 101 of tuner 1.
  • Decoder 202 decodes the wireless signals received by second wireless communicator 201 as broadcast signals.
  • Image display 209 shows the broadcast signals decoded by decoder 202 as images.
  • Input device 203 accepts commands input by a user of display 2.
  • Setup-data creator 204 creates setup-data according to commands input from input device 203.
  • Second storage 205 stores the setup-data created by setup-data creator 204.
  • Second controller 206 retrieves setup-data from second storage 205 to send the setup-data to first controller 105 of tuner 1 via second wireless communicator 201 and first wireless communicator 101 of tuner 1.
  • the setup-data refers to configuration parameters that enable the system to send/receive wireless signals in an optimum condition between tuner 1 and display 2.
  • FIG. 3 shows an example of configuration parameters of the setup-data to form the television receiving system used in preferred embodiment 1 of the present invention.
  • the configuration parameters of setup-data 3 include: location data 301, active wireless channel data 302, active bandwidth data 303 and transmit/receive power data 304.
  • Location data 301 shows the position where display 2 is located, for instance dining room, living room, bedroom, study, Japanese-stile room or the like apply.
  • Active wireless channel data 302 shows the wireless channel used for communication between first wireless communicator 101 of tuner 1 and second wireless communicator 201 of display 2. For instance if there are four wireless channels, channels 1, 2, 3 and 4 apply.
  • Active bandwidth data 303 shows the bandwidth actually used in the wireless channel, for instance a case of channel 1 using a wide bandwidth (“WIDE”) and using a narrow bandwidth (STANDARD or hereafter referred to as "STD") apply.
  • Transmit/receive power data 304 shows the power consumed to transmit/receive signals in the wireless channel. For instance, the transmit/receive powers are thought to be lowered in case of good wireless communication condition (indicated as "LOW”) and to be raised in case of worsened wireless communication condition (shown as "HIGH").
  • FIG. 4 shows an example of input device 203 provided in display 2 of the television receiving system used in preferred embodiment 1 of the present invention.
  • a control-panel screen which is input device 203, shows configuration parameters as shown in FIG. 3.
  • a touch panel overlies the display screen, so that a user can input setup-data directly on the screen by a fingertip.
  • the location is installed as the living room, the active wireless channel as channel 1, the active bandwidth as "WIDE” and the transmit/receive power as "LOW” respectively.
  • the bandwidth affects greatly on image quality, therefore the configuration parameter is titled as "image quality".
  • the location can be selected by touching the triangle marks on both sides.
  • FIG. 5 shows an example of LED indicator 104 provided on tuner 1 of the television receiving system used in preferred embodiment 1 of the present invention.
  • Location data 301 one of setup-data 3, is indicated.
  • LED 2 is lit showing that display 2 is located in the living room.
  • a user can install the optimum setup-data 3 personally.
  • the optimum setup-data installed is sent from display 2 to tuner 1 by wireless.
  • FIG. 6 shows the flowchart on setup-data executed in the display of the television receiving system used in preferred embodiment 1 of the present invention.
  • new setup-data 3 should be installed according to the following procedures:
  • the setup-data sent to tuner 1 through a series of above processing will be installed in relevant sections by first control 105 of tuner 1.
  • FIG. 7 shows a flowchart on the setup-data executed in the tuner of the television receiving system used in preferred embodiment 1 of the present invention.
  • the television receiving system capable of installing an optimum setting for wireless transmission can be provided using a plurality of setup-data 3 which can be selected to install by a user personally.
  • FIG.8 shows a block diagram of the television receiving system used in preferred embodiment 2 of the present invention.
  • display 22 is provided with location detector 207 to detect the location of display 22.
  • location detector 207 monitors changes in configuration parameters installed previously as a current data. For instance, power consumption for transmit/receive in second wireless communicator 201, which is one of the current data, is detected to have become higher than the parameter installed previously. If the detected value is over a predetermined value, location detector 207 sends the result to second controller 206. In response to this, second controller 206 selects an optimum value for setup-data 3.
  • FIG.9 shows the process flowchart on location detection executed in the display of the television receiving system used in preferred embodiment 2 of the present invention.
  • FIG. 10 shows a block diagram of the television receiving system used in preferred embodiment 3 of the present invention.
  • the point different from exemplary embodiment 1 shown in FIG. 2 is that tuner 13 is provided with first storage 106.
  • First storage 106 stores setup-data 3 sent from display 2. Even after setup-data 3 is updated, previous setup-data 3 remains being not deleted, so that a plurality of setup-data 3 installed in the past can be used also afterward.
  • FIG. 11 shows a program flowchart executed to restore wireless communication in the display and tuner of the television receiving system used in preferred embodiment 3 of the present invention.
  • the program processing shown in FIG. 11 is executed at the same time in a different cycle in both display 2 and tuner 13.
  • the television receiving system is realized that can restore a lost communication automatically even if display 2 loses wireless contact with tuner 13.
  • the television receiving system of the present invention can avoid interference on wireless communication caused by harmonic wave possible to occur in BS/CS channel tuning under different conditions within an area capable of communicating by wireless with tuner located in a house, garden or the like. Therefore, the system is useful as the television receiving technology to receive and utilize broadcast signals such as television broadcasting via wireless transmission.

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Human Computer Interaction (AREA)
  • Circuits Of Receivers In General (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Details Of Television Systems (AREA)
  • Radio Relay Systems (AREA)
EP06728706A 2005-03-10 2006-03-07 Fernsehen-empfangssystem Withdrawn EP1845708A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005066954 2005-03-10
PCT/JP2006/304337 WO2006095717A1 (ja) 2005-03-10 2006-03-07 テレビ受信システム

Publications (2)

Publication Number Publication Date
EP1845708A1 true EP1845708A1 (de) 2007-10-17
EP1845708A4 EP1845708A4 (de) 2010-03-03

Family

ID=36953311

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06728706A Withdrawn EP1845708A4 (de) 2005-03-10 2006-03-07 Fernsehen-empfangssystem

Country Status (5)

Country Link
US (1) US8154601B2 (de)
EP (1) EP1845708A4 (de)
JP (1) JPWO2006095717A1 (de)
CN (1) CN101138232A (de)
WO (1) WO2006095717A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5281853B2 (ja) * 2008-09-05 2013-09-04 株式会社日立製作所 テレビジョン受信機

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030072257A1 (en) * 2001-09-26 2003-04-17 Hiroyasu Ikedo Digital broadcast channel reception system and method and portable terminal for use in such system
US20040003051A1 (en) * 2002-06-27 2004-01-01 Openpeak Inc. Method, system, and computer program product for managing controlled residential or non-residential environments
JP2004336724A (ja) * 2003-04-17 2004-11-25 Sharp Corp 表示装置、無線通信システム、表示装置の制御方法、無線通信システムの制御方法、表示装置制御プログラム、無線通信システム制御プログラム、および該プログラムを記録した記録媒体
JP2004336722A (ja) * 2003-04-17 2004-11-25 Sharp Corp 無線端末、ベース機器、ワイヤレスシステム、無線端末の制御プログラム、ベース機器の制御プログラム、およびコンピュータ読み取り可能な記録媒体
JP2004343725A (ja) * 2003-04-16 2004-12-02 Sharp Corp 無線通信装置、ワイヤレスａｖシステム並びに動作制御プログラム及びそのプログラムを記録した記録媒体
EP1489788A2 (de) * 2003-06-19 2004-12-22 Microsoft Corporation Interferenzunterdrückung bei drahtloser Übertragung mit einem Gerät für drahtlose Netzkommunikation

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AR020608A1 (es) * 1998-07-17 2002-05-22 United Video Properties Inc Un metodo y una disposicion para suministrar a un usuario acceso remoto a una guia de programacion interactiva por un enlace de acceso remoto
JP4552280B2 (ja) 2000-06-14 2010-09-29 ソニー株式会社 テレビ受信システム、選局装置および表示装置
US20040193647A1 (en) 2001-07-10 2004-09-30 Toru Ueda Av data transmitter, av data receiver, and av data displaying/reproducing apparatus
KR100734993B1 (ko) 2003-04-16 2007-07-04 샤프 가부시키가이샤 무선 단말기, 베이스 기기, 와이어리스 시스템, 무선 단말기의 제어 방법, 무선 단말기의 제어 프로그램을 기록한 컴퓨터 판독가능한 기록 매체
US7636132B2 (en) * 2003-04-17 2009-12-22 Sharp Kabushiki Kaisha Transmitter, receiver, wireless system, control method, control program, and computer-readable recording medium containing the program
JP3683576B2 (ja) * 2003-05-21 2005-08-17 シャープ株式会社 無線通信装置、無線通信システム、ワイヤレスａｖシステム、無線伝送方法並びに動作制御プログラム及びそのプログラムを記録した記録媒体
US9131272B2 (en) * 2003-11-04 2015-09-08 Universal Electronics Inc. System and method for saving and recalling state data for media and home appliances
KR100550567B1 (ko) * 2004-03-22 2006-02-10 엘지전자 주식회사 무선 네트워크망을 통해 통신하는 서버 시스템 및 그동작방법

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030072257A1 (en) * 2001-09-26 2003-04-17 Hiroyasu Ikedo Digital broadcast channel reception system and method and portable terminal for use in such system
US20040003051A1 (en) * 2002-06-27 2004-01-01 Openpeak Inc. Method, system, and computer program product for managing controlled residential or non-residential environments
JP2004343725A (ja) * 2003-04-16 2004-12-02 Sharp Corp 無線通信装置、ワイヤレスａｖシステム並びに動作制御プログラム及びそのプログラムを記録した記録媒体
JP2004336724A (ja) * 2003-04-17 2004-11-25 Sharp Corp 表示装置、無線通信システム、表示装置の制御方法、無線通信システムの制御方法、表示装置制御プログラム、無線通信システム制御プログラム、および該プログラムを記録した記録媒体
JP2004336722A (ja) * 2003-04-17 2004-11-25 Sharp Corp 無線端末、ベース機器、ワイヤレスシステム、無線端末の制御プログラム、ベース機器の制御プログラム、およびコンピュータ読み取り可能な記録媒体
EP1489788A2 (de) * 2003-06-19 2004-12-22 Microsoft Corporation Interferenzunterdrückung bei drahtloser Übertragung mit einem Gerät für drahtlose Netzkommunikation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2006095717A1 *

Also Published As

Publication number Publication date
EP1845708A4 (de) 2010-03-03
US20090049499A1 (en) 2009-02-19
JPWO2006095717A1 (ja) 2008-08-14
CN101138232A (zh) 2008-03-05
US8154601B2 (en) 2012-04-10
WO2006095717A1 (ja) 2006-09-14

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